/* Estilo basado en la guía visual: azul #5A81FA, navy #2B318A, grises azulados, fondos #F2F5FF / #F7F8FC */
:root {
  color-scheme: light;
  --primary: #5A81FA; --primary-dark: #2B318A; --primary-soft: #E3EAFE; --primary-softer: #F2F5FF;
  --bg: #F7F8FC; --surface: #FFFFFF; --surface2: #F2F5FF; --line: #E6EAF5; --line-strong: #D4DAEC;
  --text: #1F1F1F; --muted: #6A6E83; --muted2: #A8B1CE;
  --ok: #1E9E5A; --ok-soft: #DDF5E7; --warn: #D98A0B; --warn-soft: #FFF2DB; --bad: #E5484D;
  --p-fotos: #A8B1CE; --p-1: #5A81FA; --p-2: #2B318A; --p-3: #FBB03B; --p-domo: #1E9E5A;
  --radius: 16px; --radius-sm: 10px;
  --shadow: 0 1px 2px rgb(43 49 138 / .04), 0 4px 16px rgb(43 49 138 / .05);
  --navy: #2B318A;          /* fondo fijo oscuro (hoy en calendario, avisos) */
  --bad-soft: #FDECEC;
  --zebra: #F4F5F9;         /* filas alternadas de la lista de alumnos */
}
/* Modo oscuro: se activa con el botón luna/sol (data-theme="dark" en <html>) */
:root[data-theme="dark"] {
  color-scheme: dark;
  --primary: #6E8FFB; --primary-dark: #C9D3FF; --primary-soft: #28325E; --primary-softer: #1B2140;
  --bg: #0E1120; --surface: #161A2C; --surface2: #1E2338; --line: #2A3049; --line-strong: #3A4160;
  --text: #E8EAF3; --muted: #9CA2BB; --muted2: #6E7593;
  --ok: #4ADE80; --ok-soft: #133022; --warn: #FBBF24; --warn-soft: #3A2E10; --bad: #F87171;
  --p-fotos: #6E7593; --p-1: #6E8FFB; --p-2: #8389EE; --p-3: #FBB03B; --p-domo: #34D399;
  --shadow: 0 1px 2px rgb(0 0 0 / .3), 0 4px 16px rgb(0 0 0 / .25);
  --navy: #3B43A8;
  --bad-soft: #3A1A1D;
  --zebra: #1B2033;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 14px/1.45 "Lexend", system-ui, "Segoe UI", sans-serif; font-weight: 400; }
button, input, select { font: inherit; color: inherit; }
b, strong { font-weight: 600; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.mt { margin-top: 20px; }
h2 { font-size: 16px; margin: 0; font-weight: 600; color: var(--text); }

/* Header */
/* Encabezado en 3 columnas: marca a la izquierda, pestañas centradas, estado y sesión a la derecha */
.top { position: sticky; top: 0; z-index: 10; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 16px;
  padding: 12px 24px; background: var(--surface); border-bottom: 1px solid var(--line); }
.top-der { display: flex; align-items: center; justify-content: flex-end; gap: 12px; }
.tema { width: 32px; height: 32px; border: 1px solid var(--line-strong); background: var(--surface); color: var(--muted); border-radius: 50%; cursor: pointer; display: grid; place-items: center; padding: 0; }
.tema:hover { color: var(--primary); border-color: var(--primary); }
.tema .sol { display: none; }
:root[data-theme="dark"] .tema .sol { display: block; }
:root[data-theme="dark"] .tema .luna { display: none; }
@media (max-width: 760px) {
  .top { grid-template-columns: 1fr auto; }
  .top .tabs { grid-column: 1 / -1; grid-row: 2; justify-self: center; }
}
.brand { display: flex; flex-direction: column; }
.brand strong { font-size: 18px; font-weight: 700; color: var(--primary-dark); letter-spacing: -.01em; }
.brand span { font-size: 12px; }
.tabs { display: flex; gap: 4px; justify-self: center; background: var(--surface2); padding: 4px; border-radius: 999px; }
.tabs button { border: 0; background: none; padding: 7px 18px; white-space: nowrap; border-radius: 999px; cursor: pointer; color: var(--muted); font-size: 13px; }
.tabs button:hover { color: var(--primary-dark); }
.tabs button.active { background: var(--primary); color: #fff; font-weight: 500; box-shadow: 0 2px 8px rgb(90 129 250 / .35); }
.save { font-size: 12px; color: var(--muted); min-width: 110px; text-align: right; }
.save.ok { color: var(--ok); } .save.err { color: var(--bad); font-weight: 600; }

main { padding: 24px; max-width: 1400px; margin: 0 auto; }
.view { display: none; } .view.active { display: block; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }
.card-h { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; margin-bottom: 14px; flex-wrap: wrap; }
.narrow { max-width: 580px; }
.narrow.wide { max-width: 760px; }
.grid2 { display: grid; grid-template-columns: minmax(0, 2fr) minmax(280px, 1fr); gap: 20px; margin-top: 20px; }
@media (max-width: 960px) { .grid2 { grid-template-columns: 1fr; } }

/* KPIs */
/* Todos los KPIs en una fila; en pantallas angostas pasan a varias filas */
/* Orden: Alumnos, Con pack, Sin pack, Video domo, Vendido, Neto, Mercado Pago, A revisar, Primera noche.
   Vendido y Neto más anchos (montos); los de conteo más angostos. */
.kpis { display: grid; gap: 10px;
  grid-template-columns: repeat(4, minmax(0, .8fr)) repeat(2, minmax(0, 1.55fr)) repeat(3, minmax(0, .8fr)); }
@media (max-width: 1100px) { .kpis { grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); } }
.kpi { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px; box-shadow: var(--shadow); min-width: 0; }
.kpi:first-child { background: var(--primary); border-color: var(--primary); }
.kpi:first-child .l, .kpi:first-child .s, .kpi:first-child .v { color: #fff; }
.kpi .l { font-size: 12px; color: var(--muted); }
.kpi .v { font-size: clamp(16px, 1.45vw, 24px); white-space: nowrap; font-weight: 600; font-variant-numeric: tabular-nums; margin-top: 2px; color: var(--primary-dark); letter-spacing: -.01em; }
.kpi .s { font-size: 11px; color: var(--muted); }

/* Calendario */
.calendar { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 8px; }
.cal-dow { font-size: 11px; text-transform: uppercase; color: var(--muted2); text-align: center; padding-bottom: 2px; font-weight: 500; letter-spacing: .04em; }
.cal-day { min-height: 108px; border: 1px solid var(--line); border-radius: 12px; padding: 7px; background: var(--surface); position: relative; display: flex; flex-direction: column; gap: 4px; }
.cal-day.empty { background: transparent; border-color: transparent; }
.cal-day .num { font-size: 12px; color: var(--muted); font-weight: 500; width: 24px; height: 24px; display: grid; place-items: center; border-radius: 50%; }
.cal-day.today .num { background: var(--navy); color: #fff; }
.cal-day.event { background: var(--primary-softer); border: 1px solid var(--primary); cursor: pointer; }
.cal-day.event .num { background: var(--primary); color: #fff; }
.cal-day.event:hover { border-color: var(--primary); box-shadow: 0 4px 14px rgb(90 129 250 / .2); }
.cal-day.past { opacity: .55; }
.ev-name { font-size: 12px; font-weight: 600; line-height: 1.25; color: var(--primary-dark); }
.ev-meta { font-size: 11px; color: var(--muted); font-variant-numeric: tabular-nums; }
.ev-tags { display: flex; gap: 3px; flex-wrap: wrap; margin-top: auto; }
.tag { font-size: 10px; padding: 2px 7px; border-radius: 999px; background: var(--surface); color: var(--muted); font-weight: 500; }
.tag.domo { background: var(--ok-soft); color: var(--ok); }
.tag.warn { background: var(--warn-soft); color: var(--warn); }
.prog { height: 5px; background: var(--primary-soft); border-radius: 999px; overflow: hidden; }
.prog > i { display: block; height: 100%; background: var(--primary); border-radius: 999px; }
@media (max-width: 640px) {
  .cal-day { min-height: 64px; padding: 4px; }
  .ev-name, .ev-tags { display: none; }
}

/* Barras de packs */
.bar-row { display: grid; grid-template-columns: 70px 1fr 44px; gap: 10px; align-items: center; margin-bottom: 10px; font-size: 13px; }
.bar { height: 10px; background: var(--surface2); border-radius: 999px; overflow: hidden; }
.bar > i { display: block; height: 100%; border-radius: 999px; }
.bar-row .n { text-align: right; font-variant-numeric: tabular-nums; font-weight: 600; color: var(--primary-dark); }

/* Tablas */
.table-wrap { overflow-x: auto; }
.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.tbl th { text-align: left; font-size: 11px; color: var(--muted); font-weight: 500; padding: 10px 8px; border-bottom: 1px solid var(--line); white-space: nowrap; text-transform: uppercase; letter-spacing: .03em; }
.tbl td { padding: 7px 8px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.tbl tfoot th { color: var(--primary-dark); font-size: 13px; text-transform: none; border-bottom: 0; font-weight: 600; }
.tbl td.num, .tbl th.num { text-align: right; font-variant-numeric: tabular-nums; }
.tbl tr.click { cursor: pointer; } .tbl tr.click:hover td { background: var(--primary-softer); }
.tbl tr.past td { color: var(--muted2); }
.alumnos tbody tr:nth-child(even) td { background: var(--zebra); }
.alumnos tbody tr:hover td { background: var(--primary-softer); }
.alumnos tr.has-pack td:first-child { box-shadow: inset 3px 0 0 var(--primary); }
.alumnos .nombre { font-weight: 500; }
.alumnos .obs { font-size: 12px; color: var(--muted); max-width: 280px; border-radius: 6px; }
.alumnos .obs:focus { outline: 2px solid var(--primary-soft); background: var(--surface); }
.alumnos tr.rev .obs { color: var(--warn); }

/* Selector de pack (pastillas) */
.seg { display: inline-flex; gap: 2px; background: var(--surface2); padding: 3px; border-radius: 999px; }
.seg button { border: 0; background: transparent; padding: 4px 8px; min-width: 28px; cursor: pointer; font-size: 12px; color: var(--muted); white-space: nowrap; border-radius: 999px; }
.seg button:hover { background: var(--surface); color: var(--primary-dark); }
.seg button.on { color: #fff; font-weight: 500; }
.seg button.on[data-p="FOTOS"] { background: #6A6E83; }
.seg button.on[data-p="PACK1"] { background: var(--p-1); }
.seg button.on[data-p="PACK2"] { background: var(--p-2); }
.seg button.on[data-p="PACK3"] { background: var(--p-3); color: #1F1F1F; }
.domo-chk { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; white-space: nowrap; font-size: 13px; }
.domo-chk input { width: 18px; height: 18px; accent-color: var(--p-domo); cursor: pointer; }
.mp-chk { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; white-space: nowrap; font-size: 13px; color: #009EE3; font-weight: 500; }
.mp-chk input { width: 18px; height: 18px; accent-color: #009EE3; cursor: pointer; }
.money { width: 104px; padding: 6px 8px; border: 1px solid var(--line-strong); border-radius: var(--radius-sm); background: var(--surface); text-align: right; font-variant-numeric: tabular-nums; }
.grilla-tit { font-size: 13px; font-weight: 600; color: var(--primary-dark); margin: 4px 0 6px; }
.grilla-tit.mp { color: #009EE3; margin-top: 22px; }
.grilla th { text-transform: none; font-size: 13px; color: var(--text); }
.grilla thead th { font-size: 11px; color: var(--muted); text-transform: uppercase; }
.grilla .money { width: 100%; min-width: 96px; }
.seg.tandas button { padding: 4px 7px; }
.seg.tandas button.on { background: var(--primary); color: #fff; }
.falta { display: inline-block; background: var(--warn-soft); color: var(--warn); font-weight: 500; padding: 2px 10px; border-radius: 999px; font-size: 12px; white-space: nowrap; }
.money::placeholder { color: var(--muted2); }
.money:focus, .toolbar select:focus, .toolbar input:focus, .precios input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
.saldo-ok { display: inline-block; background: var(--ok-soft); color: var(--ok); font-weight: 500; padding: 2px 10px; border-radius: 999px; font-size: 12px; }
.saldo-pend { display: inline-block; background: var(--warn-soft); color: var(--warn); font-weight: 500; padding: 2px 10px; border-radius: 999px; font-size: 12px; white-space: nowrap; }
.limpiar-btn { border: 1px solid var(--line-strong); background: var(--surface); cursor: pointer; color: var(--muted); padding: 3px 12px; border-radius: 999px; font-size: 12px; white-space: nowrap; }
.limpiar-btn:hover { border-color: var(--warn); background: var(--warn-soft); color: var(--warn); }

/* Barra de herramientas y botones */
.toolbar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; }
.toolbar select, .toolbar input { padding: 9px 14px; border: 1px solid var(--line-strong); border-radius: var(--radius-sm); background: var(--surface); }
.toolbar input[type=search] { flex: 1; min-width: 200px; background: var(--surface2); border-color: transparent; }
.btn { border: 1px solid var(--primary); background: var(--surface); color: var(--primary); padding: 9px 18px; border-radius: 999px; cursor: pointer; display: inline-block; font-weight: 500; }
.btn:hover { background: var(--primary-softer); }
.row { display: flex; gap: 10px; flex-wrap: wrap; }

.noche-header { display: flex; gap: 8px 20px; flex-wrap: wrap; align-items: baseline; margin-bottom: 16px; }
.noche-header h2 { font-size: 22px; color: var(--primary-dark); font-weight: 700; letter-spacing: -.01em; }
.noche-header .stat { font-size: 13px; color: var(--muted); }
.noche-header .stat b { color: var(--primary-dark); font-variant-numeric: tabular-nums; }

/* Botones de curso / escuela */
.cursos { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin: -4px 0 16px; }
.cursos:empty { display: none; }
.curso { display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--line-strong); background: var(--surface); color: var(--primary-dark);
  padding: 7px 8px 7px 16px; border-radius: 999px; cursor: pointer; font-weight: 500; font-size: 13px; }
.curso:hover { border-color: var(--primary); background: var(--primary-softer); }
.curso .cnt { font-size: 11px; font-weight: 500; background: var(--surface2); color: var(--muted); padding: 2px 8px; border-radius: 999px; font-variant-numeric: tabular-nums; }
.curso.on { background: var(--primary); border-color: var(--primary); color: #fff; box-shadow: 0 2px 8px rgb(90 129 250 / .35); }
.curso.on .cnt { background: rgb(255 255 255 / .22); color: #fff; }
.curso-sel { font-size: 14px; font-weight: 500; background: var(--primary-soft); color: var(--primary-dark); padding: 3px 12px; border-radius: 999px; vertical-align: middle; }

.precios { display: grid; grid-template-columns: 1fr 150px; gap: 10px 12px; align-items: center; }
.precios input { padding: 8px 12px; border: 1px solid var(--line-strong); border-radius: var(--radius-sm); background: var(--surface); text-align: right; }

.url { display: block; padding: 10px 12px; background: var(--surface2); border-radius: var(--radius-sm); font-size: 12px; word-break: break-all; user-select: all; color: var(--primary-dark); }

/* Lapicito y ventana de edición */
.alumnos .nombre { display: flex; align-items: center; gap: 6px; }
.lapiz { flex: none; border: 1px solid var(--primary-soft); background: var(--primary-softer); color: var(--primary); cursor: pointer; padding: 4px; border-radius: 8px; display: inline-grid; place-items: center; }
.lapiz:hover { background: var(--primary); border-color: var(--primary); color: #fff; }
/* Los lápices de cada alumno solo aparecen con el modo editar activado (lápiz del encabezado) */
.alumnos tbody .lapiz { display: none; }
.alumnos.modo-editar tbody .lapiz { display: inline-grid; }
.th-alumno { display: inline-flex; align-items: center; gap: 8px; }
.lapiz-modo.on { background: var(--primary); border-color: var(--primary); color: #fff; }
.modal { position: fixed; inset: 0; z-index: 90; display: grid; place-items: center; padding: 16px; background: rgb(31 31 31 / .35); }
.modal[hidden] { display: none; }
.modal-acciones { display: flex; gap: 8px; justify-content: flex-end; margin-top: 8px; }
.modal-acciones .btn-primary { margin-top: 0; }

/* Sesión */
.salir { border: 1px solid var(--line-strong); background: var(--surface); color: var(--muted); padding: 6px 14px; border-radius: 999px; cursor: pointer; font-size: 12px; white-space: nowrap; }
.salir:hover { border-color: var(--bad); color: var(--bad); background: var(--bad-soft); }
.login { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 16px; background: var(--bg); }
.login[hidden] { display: none; }
.login-card { width: 100%; max-width: 340px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 28px; display: flex; flex-direction: column; gap: 10px; }
.login-brand { font-size: 20px; font-weight: 700; color: var(--primary-dark); }
.login-msg { margin: 0; min-height: 1em; font-size: 13px; color: var(--warn); }
.login-msg:empty { display: none; }
.login-card label { font-size: 12px; color: var(--muted); margin-top: 4px; }
.login-card input { padding: 10px 14px; border: 1px solid var(--line-strong); border-radius: var(--radius-sm); background: var(--surface); }
.login-card input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
.btn-primary { margin-top: 6px; border: 0; background: var(--primary); color: #fff; padding: 11px 18px; border-radius: 999px; cursor: pointer; font-weight: 500; }
.btn-primary:hover { background: #4a71ea; }

.toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(90px); background: var(--navy); color: #fff;
  padding: 11px 20px; border-radius: 999px; transition: transform .2s; pointer-events: none; box-shadow: 0 6px 20px rgb(43 49 138 / .3); }
.toast.show { transform: translateX(-50%) translateY(0); }